5638784 has 16 divisors (see below), whose sum is σ = 11233770. Its totient is φ = 2819328.

The previous prime is 5638777. The next prime is 5638799. The reversal of 5638784 is 4878365.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4293184 + 1345600 = 2072^2 + 1160^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a plaindrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21899 + ... + 22154.

Almost surely, 2^5638784 is an apocalyptic number.

It is an amenable number.

5638784 is a deficient number, since it is larger than the sum of its proper divisors (5594986).

5638784 is an equidigital number, since it uses as much as digits as its factorization.

5638784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44067 (or 44055 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 5638784 is about 2374.6123894227. The cubic root of 5638784 is about 177.9898155180.

The spelling of 5638784 in words is "five million, six hundred thirty-eight thousand, seven hundred eighty-four".